Home / 104,242.25-143,869.76-66,005.37

Finding the Fourth Proportional to 104,242.25, 143,869.76 and 66,005.37

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Solution

The fourth proportional to 104,242.25, 143,869.76 and 66,005.37 is: 91,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,242.25 : 143,869.76 = 66,005.37 : x
  2. Step 2: Convert to fraction form
    104,242.25/143,869.76 = 66,005.37/x
  3. Step 3: Cross multiply
    104,242.25x = 143,869.76 × 66,005.37
  4. Step 4: Simplify right side
    104,242.25x = 9,496,176,740.61
  5. Step 5: Solve for x
    x = 9,496,176,740.61/104,242.25
  6. Step 6: Final answer
    x = 91,097.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.